WD Gold 4TB, WD4003FRYZ

WD Gold™ DC HA750 Enterprise Class SATA HDD 4TB

• Conquer tough workloads with enterprise-grade WD Gold™ HDDs. Available in 1TB to 14TB* capacities.
• Enhanced reliability with up to 2.5M hours MTBF
• Specifically designed for use in enterprise-grade data centers and storage systems
• Improve performance with our vibration protection technology
• HelioSeal™ technology delivers high capacities with a low power draw [12TB and above]
• Get peace of mind with a 5-year limited warranty

TECHNICAL SPECIFICATIONS

PRODUCT FEATURES

Capacity 4TB

Interface

SATA 6BG/s

Format: Sector size (bytes)** 512e

Native Command Queuing

Yes

Form Factor 3.5-inch

RoHS Compliant***

Yes

PERFORMANCE

Data Trasnfer Rate‡ (max sustained) 255 MB/s

Performance Class 7200 RPM Class

Cache‡‡ 256 MB

RELIABILITY

MTBF (hours) 2 000 000

Annualized Failure Rate (AFR, %)‡‡‡ 0,44

Load/unload cycles (minimum) 600 000

Limited Warranty (years) 5

POWER MANAGEMENT

Average Power Requirements

• Operational§: 7.0 W
• Idle§§: 5.9 W
• Power efficiency indes (W/TB,idle): 1,5

ENVIRONMENTAL SPECIFICATIONS

Shock (Read/Write)

• Operating (half-sine wave, 2ms): 70G/70G
• Non-operating (half-sine wave, 2ms): 300G (2ms)

Temperature

• Operating: 5° C to 60° C
• Non-operating: -40° C to 70° C

Acoustics (average)

• Idle Mode: 29 dBA
• Seek Mode: 36 dBa

PHYSICAL DIMENSIONS

Height (max) 1.028 in. (26.1 mm) max

Lenght (max) 5.787 in. (147.0 mm) max

Width (± .01 in.) 4.0 in. (101.6 mm) ± .01 in.

Weight 1.58 lb. (.715 kg) ± 10%

• CAPACITY: One megabyte (MB) is equal to one million bytes, one gigabyte (GB) is equal to 1,000MB (one billion bytes), and one terabyte (TB) is equal to 1,000GB (one trillion bytes) when referring to storage capacity. Accessible capacity will vary from the stated capacity due to formatting, system software, and other factors.
• *FORMAT: 512e: Advanced Format drive with 512-byte logical sectors and 4K (4096-byte) physical sectors; 512n: Native 512-byte logical and physical sectors
• ** RoHS COMPLIANT: Western Digital hard drive products manufactured and sold worldwide after June 8, 2011, meet or exceed Restriction of Hazardous Substances (RoHS) compliance requirements as mandated by the RoHS Directive 2011/65/EU.

• ‡ DATA TRANSFER RATE: MB/s is 1,000,000 bytes
• ‡‡ CACHE BUFFER: Portion of buffer capacity used for drive firmware
• ‡‡‡ MTBF and AFR: Specifications are based on a sample population and are estimated by statistical measurements and acceleration algorithms under typical operating conditions for this drive model. MTBF and AFR ratings do not predict an individual drive’s reliability and do not constitute a warranty.
• § OPERATIONAL POWER: 8K Queue Depth = 1 @ 40 IOPS
• §§ IDLE POWER: Based on use of Idle_A

§§§ Some models of Ultrastar are identical in form, fit and function to the respective WD Gold™ model. The only differences are limited to the brand, label and ID string as reported by the firmware. For these drives, any previously completed qualification of the equivalent Ultrastar™ models should not require a re-qualification."

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